CVE-2026-17626: Langflow is affected by security vulnerabilities in Model Context Protocol features

Published Jul 31, 2026
·
Updated

IBM Langflow OSS 1.0.0 through 1.10.3 Langflow could allow an authenticated attacker to read, modify, or expose sensitive host files via Docker-based MCP servers due to incomplete filtering of dangerous Docker volume-mount and device-mapping arguments.

Affected Software

3 affected components
IBM Langflow>=1.0.0<=1.10.3
IBM Langflow OSS<=1.0.0-1.10.3
Langflow Langflow>=1.0.0<1.11.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM Langflow OSS to a version that resolves this vulnerability.

    Fixed in 1.11.0

Event History

Jul 31, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Aug 5, 2026
CVE Published
via MITRE·04:31 PM
Data Sourced
via MITRE·04:31 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-17626?

The severity of CVE-2026-17626 is high, with a CVSS score of 8.8.

2

How do I fix CVE-2026-17626?

To fix CVE-2026-17626, update IBM Langflow to version 1.10.4 or later.

3

What impact does CVE-2026-17626 have on my system?

CVE-2026-17626 can allow an authenticated attacker to read, modify, or expose sensitive host files.

4

Who is affected by CVE-2026-17626?

IBM Langflow OSS versions from 1.0.0 to 1.10.3 are affected by CVE-2026-17626.

5

What are the conditions for exploitation of CVE-2026-17626?

CVE-2026-17626 requires an attacker to be authenticated to exploit vulnerabilities in Docker-based MCP servers.

Company

Resources

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